1 /*===-- target_ocaml.c - LLVM OCaml Glue ------------------------*- C++ -*-===*\
3 |* The LLVM Compiler Infrastructure *|
5 |* This file is distributed under the University of Illinois Open Source *|
6 |* License. See LICENSE.TXT for details. *|
8 |*===----------------------------------------------------------------------===*|
10 |* This file glues LLVM's OCaml interface to its C interface. These functions *|
11 |* are by and large transparent wrappers to the corresponding C functions. *|
13 |* Note that these functions intentionally take liberties with the CAMLparamX *|
14 |* macros, since most of the parameters are not GC heap objects. *|
16 \*===----------------------------------------------------------------------===*/
18 #include "llvm-c/Target.h"
19 #include "llvm-c/TargetMachine.h"
20 #include "caml/alloc.h"
21 #include "caml/fail.h"
22 #include "caml/memory.h"
23 #include "caml/custom.h"
24 #include "caml/callback.h"
26 void llvm_raise(value Prototype, char *Message);
27 value llvm_string_of_message(char* Message);
29 /*===---- Data Layout -----------------------------------------------------===*/
31 #define DataLayout_val(v) (*(LLVMTargetDataRef *)(Data_custom_val(v)))
33 static void llvm_finalize_data_layout(value DataLayout) {
34 LLVMDisposeTargetData(DataLayout_val(DataLayout));
37 static struct custom_operations llvm_data_layout_ops = {
38 (char *) "Llvm_target.DataLayout.t",
39 llvm_finalize_data_layout,
40 custom_compare_default,
42 custom_serialize_default,
43 custom_deserialize_default,
44 custom_compare_ext_default
47 value llvm_alloc_data_layout(LLVMTargetDataRef DataLayout) {
48 value V = alloc_custom(&llvm_data_layout_ops, sizeof(LLVMTargetDataRef),
50 DataLayout_val(V) = DataLayout;
54 /* string -> DataLayout.t */
55 CAMLprim value llvm_datalayout_of_string(value StringRep) {
56 return llvm_alloc_data_layout(LLVMCreateTargetData(String_val(StringRep)));
59 /* DataLayout.t -> string */
60 CAMLprim value llvm_datalayout_as_string(value TD) {
61 char *StringRep = LLVMCopyStringRepOfTargetData(DataLayout_val(TD));
62 value Copy = copy_string(StringRep);
63 LLVMDisposeMessage(StringRep);
67 /* [<Llvm.PassManager.any] Llvm.PassManager.t -> DataLayout.t -> unit */
68 CAMLprim value llvm_datalayout_add_to_pass_manager(LLVMPassManagerRef PM,
70 LLVMAddTargetData(DataLayout_val(DL), PM);
74 /* DataLayout.t -> Endian.t */
75 CAMLprim value llvm_datalayout_byte_order(value DL) {
76 return Val_int(LLVMByteOrder(DataLayout_val(DL)));
79 /* DataLayout.t -> int */
80 CAMLprim value llvm_datalayout_pointer_size(value DL) {
81 return Val_int(LLVMPointerSize(DataLayout_val(DL)));
84 /* Llvm.llcontext -> DataLayout.t -> Llvm.lltype */
85 CAMLprim LLVMTypeRef llvm_datalayout_intptr_type(LLVMContextRef C, value DL) {
86 return LLVMIntPtrTypeInContext(C, DataLayout_val(DL));;
89 /* int -> DataLayout.t -> int */
90 CAMLprim value llvm_datalayout_qualified_pointer_size(value AS, value DL) {
91 return Val_int(LLVMPointerSizeForAS(DataLayout_val(DL), Int_val(AS)));
94 /* Llvm.llcontext -> int -> DataLayout.t -> Llvm.lltype */
95 CAMLprim LLVMTypeRef llvm_datalayout_qualified_intptr_type(LLVMContextRef C,
98 return LLVMIntPtrTypeForASInContext(C, DataLayout_val(DL), Int_val(AS));
101 /* Llvm.lltype -> DataLayout.t -> Int64.t */
102 CAMLprim value llvm_datalayout_size_in_bits(LLVMTypeRef Ty, value DL) {
103 return caml_copy_int64(LLVMSizeOfTypeInBits(DataLayout_val(DL), Ty));
106 /* Llvm.lltype -> DataLayout.t -> Int64.t */
107 CAMLprim value llvm_datalayout_store_size(LLVMTypeRef Ty, value DL) {
108 return caml_copy_int64(LLVMStoreSizeOfType(DataLayout_val(DL), Ty));
111 /* Llvm.lltype -> DataLayout.t -> Int64.t */
112 CAMLprim value llvm_datalayout_abi_size(LLVMTypeRef Ty, value DL) {
113 return caml_copy_int64(LLVMABISizeOfType(DataLayout_val(DL), Ty));
116 /* Llvm.lltype -> DataLayout.t -> int */
117 CAMLprim value llvm_datalayout_abi_align(LLVMTypeRef Ty, value DL) {
118 return Val_int(LLVMABIAlignmentOfType(DataLayout_val(DL), Ty));
121 /* Llvm.lltype -> DataLayout.t -> int */
122 CAMLprim value llvm_datalayout_stack_align(LLVMTypeRef Ty, value DL) {
123 return Val_int(LLVMCallFrameAlignmentOfType(DataLayout_val(DL), Ty));
126 /* Llvm.lltype -> DataLayout.t -> int */
127 CAMLprim value llvm_datalayout_preferred_align(LLVMTypeRef Ty, value DL) {
128 return Val_int(LLVMPreferredAlignmentOfType(DataLayout_val(DL), Ty));
131 /* Llvm.llvalue -> DataLayout.t -> int */
132 CAMLprim value llvm_datalayout_preferred_align_of_global(LLVMValueRef GlobalVar,
134 return Val_int(LLVMPreferredAlignmentOfGlobal(DataLayout_val(DL), GlobalVar));
137 /* Llvm.lltype -> Int64.t -> DataLayout.t -> int */
138 CAMLprim value llvm_datalayout_element_at_offset(LLVMTypeRef Ty, value Offset,
140 return Val_int(LLVMElementAtOffset(DataLayout_val(DL), Ty,
144 /* Llvm.lltype -> int -> DataLayout.t -> Int64.t */
145 CAMLprim value llvm_datalayout_offset_of_element(LLVMTypeRef Ty, value Index,
147 return caml_copy_int64(LLVMOffsetOfElement(DataLayout_val(DL), Ty,
151 /*===---- Target ----------------------------------------------------------===*/
153 static value llvm_target_option(LLVMTargetRef Target) {
155 value Result = caml_alloc_small(1, 0);
156 Store_field(Result, 0, (value) Target);
164 CAMLprim value llvm_target_default_triple(value Unit) {
165 char *TripleCStr = LLVMGetDefaultTargetTriple();
166 value TripleStr = caml_copy_string(TripleCStr);
167 LLVMDisposeMessage(TripleCStr);
172 /* unit -> Target.t option */
173 CAMLprim value llvm_target_first(value Unit) {
174 return llvm_target_option(LLVMGetFirstTarget());
177 /* Target.t -> Target.t option */
178 CAMLprim value llvm_target_succ(LLVMTargetRef Target) {
179 return llvm_target_option(LLVMGetNextTarget(Target));
182 /* string -> Target.t option */
183 CAMLprim value llvm_target_by_name(value Name) {
184 return llvm_target_option(LLVMGetTargetFromName(String_val(Name)));
187 /* string -> Target.t */
188 CAMLprim LLVMTargetRef llvm_target_by_triple(value Triple) {
192 if(LLVMGetTargetFromTriple(String_val(Triple), &T, &Error))
193 llvm_raise(*caml_named_value("Llvm_target.Error"), Error);
198 /* Target.t -> string */
199 CAMLprim value llvm_target_name(LLVMTargetRef Target) {
200 return caml_copy_string(LLVMGetTargetName(Target));
203 /* Target.t -> string */
204 CAMLprim value llvm_target_description(LLVMTargetRef Target) {
205 return caml_copy_string(LLVMGetTargetDescription(Target));
208 /* Target.t -> bool */
209 CAMLprim value llvm_target_has_jit(LLVMTargetRef Target) {
210 return Val_bool(LLVMTargetHasJIT(Target));
213 /* Target.t -> bool */
214 CAMLprim value llvm_target_has_target_machine(LLVMTargetRef Target) {
215 return Val_bool(LLVMTargetHasTargetMachine(Target));
218 /* Target.t -> bool */
219 CAMLprim value llvm_target_has_asm_backend(LLVMTargetRef Target) {
220 return Val_bool(LLVMTargetHasAsmBackend(Target));
223 /*===---- Target Machine --------------------------------------------------===*/
225 #define TargetMachine_val(v) (*(LLVMTargetMachineRef *)(Data_custom_val(v)))
227 static void llvm_finalize_target_machine(value Machine) {
228 LLVMDisposeTargetMachine(TargetMachine_val(Machine));
231 static struct custom_operations llvm_target_machine_ops = {
232 (char *) "Llvm_target.TargetMachine.t",
233 llvm_finalize_target_machine,
234 custom_compare_default,
236 custom_serialize_default,
237 custom_deserialize_default,
238 custom_compare_ext_default
241 static value llvm_alloc_targetmachine(LLVMTargetMachineRef Machine) {
242 value V = alloc_custom(&llvm_target_machine_ops, sizeof(LLVMTargetMachineRef),
244 TargetMachine_val(V) = Machine;
248 /* triple:string -> ?cpu:string -> ?features:string
249 ?level:CodeGenOptLevel.t -> ?reloc_mode:RelocMode.t
250 ?code_model:CodeModel.t -> Target.t -> TargetMachine.t */
251 CAMLprim value llvm_create_targetmachine_native(value Triple, value CPU,
252 value Features, value OptLevel, value RelocMode,
253 value CodeModel, LLVMTargetRef Target) {
254 LLVMTargetMachineRef Machine;
255 const char *CPUStr = "", *FeaturesStr = "";
256 LLVMCodeGenOptLevel OptLevelEnum = LLVMCodeGenLevelDefault;
257 LLVMRelocMode RelocModeEnum = LLVMRelocDefault;
258 LLVMCodeModel CodeModelEnum = LLVMCodeModelDefault;
260 if(CPU != Val_int(0))
261 CPUStr = String_val(Field(CPU, 0));
262 if(Features != Val_int(0))
263 FeaturesStr = String_val(Field(Features, 0));
264 if(OptLevel != Val_int(0))
265 OptLevelEnum = Int_val(Field(OptLevel, 0));
266 if(RelocMode != Val_int(0))
267 RelocModeEnum = Int_val(Field(RelocMode, 0));
268 if(CodeModel != Val_int(0))
269 CodeModelEnum = Int_val(Field(CodeModel, 0));
271 Machine = LLVMCreateTargetMachine(Target, String_val(Triple), CPUStr,
272 FeaturesStr, OptLevelEnum, RelocModeEnum, CodeModelEnum);
274 return llvm_alloc_targetmachine(Machine);
277 CAMLprim value llvm_create_targetmachine_bytecode(value *argv, int argn) {
278 return llvm_create_targetmachine_native(argv[0], argv[1], argv[2], argv[3],
279 argv[4], argv[5], (LLVMTargetRef) argv[6]);
282 /* TargetMachine.t -> Target.t */
283 CAMLprim LLVMTargetRef llvm_targetmachine_target(value Machine) {
284 return LLVMGetTargetMachineTarget(TargetMachine_val(Machine));
287 /* TargetMachine.t -> string */
288 CAMLprim value llvm_targetmachine_triple(value Machine) {
289 return llvm_string_of_message(LLVMGetTargetMachineTriple(
290 TargetMachine_val(Machine)));
293 /* TargetMachine.t -> string */
294 CAMLprim value llvm_targetmachine_cpu(value Machine) {
295 return llvm_string_of_message(LLVMGetTargetMachineCPU(
296 TargetMachine_val(Machine)));
299 /* TargetMachine.t -> string */
300 CAMLprim value llvm_targetmachine_features(value Machine) {
301 return llvm_string_of_message(LLVMGetTargetMachineFeatureString(
302 TargetMachine_val(Machine)));
305 /* TargetMachine.t -> DataLayout.t */
306 CAMLprim value llvm_targetmachine_data_layout(value Machine) {
308 CAMLlocal1(DataLayout);
309 char *TargetDataCStr;
311 /* LLVMGetTargetMachineData returns a pointer owned by the TargetMachine,
312 so it is impossible to wrap it with llvm_alloc_target_data, which assumes
313 that OCaml owns the pointer. */
314 LLVMTargetDataRef OrigDataLayout;
315 OrigDataLayout = LLVMGetTargetMachineData(TargetMachine_val(Machine));
317 TargetDataCStr = LLVMCopyStringRepOfTargetData(OrigDataLayout);
318 DataLayout = llvm_alloc_data_layout(LLVMCreateTargetData(TargetDataCStr));
319 LLVMDisposeMessage(TargetDataCStr);
321 CAMLreturn(DataLayout);
324 /* bool -> TargetMachine.t -> unit */
325 CAMLprim value llvm_targetmachine_set_verbose_asm(value Verb, value Machine) {
326 LLVMSetTargetMachineAsmVerbosity(TargetMachine_val(Machine), Bool_val(Verb));
330 /* Llvm.llmodule -> CodeGenFileType.t -> string -> TargetMachine.t -> unit */
331 CAMLprim value llvm_targetmachine_emit_to_file(LLVMModuleRef Module,
332 value FileType, value FileName, value Machine) {
335 if(LLVMTargetMachineEmitToFile(TargetMachine_val(Machine), Module,
336 String_val(FileName), Int_val(FileType),
338 llvm_raise(*caml_named_value("Llvm_target.Error"), ErrorMessage);
344 /* Llvm.llmodule -> CodeGenFileType.t -> TargetMachine.t ->
345 Llvm.llmemorybuffer */
346 CAMLprim LLVMMemoryBufferRef llvm_targetmachine_emit_to_memory_buffer(
347 LLVMModuleRef Module, value FileType,
350 LLVMMemoryBufferRef Buffer;
352 if(LLVMTargetMachineEmitToMemoryBuffer(TargetMachine_val(Machine), Module,
353 Int_val(FileType), &ErrorMessage,
355 llvm_raise(*caml_named_value("Llvm_target.Error"), ErrorMessage);
361 /* TargetMachine.t -> Llvm.PassManager.t -> unit */
362 CAMLprim value llvm_targetmachine_add_analysis_passes(LLVMPassManagerRef PM,
364 LLVMAddAnalysisPasses(TargetMachine_val(Machine), PM);